Fix landed in 6.5 and 6.6. Closing port 6.4 to reduce risks of regressions.
Steps to reproduce:
Open the attached project
Open the NewUXMLTemplate asset
Select the Button element
In the UI Builder's Inspector, expand the Material Section
Start re-ordering the Material Property List
Observe how List elements are rendered after being reordered
Actual results: Some property list elements become blank and receive. Some elements also receive a blue selection highlighter that is stuck.
Expected results: Material Property list items are rendered without visual artifacts after being reordered. The item selection highlighter also disappears if the item is deselected
Reproducible with versions: 6000.3.0b9, 6000.4.0b7, 6000.5.0a1
Can’t test with versions: 6000.0.66f2, 6000.3.0b8(Material Property overide list not available)
Tested on (OS): Windows 11, macOS 26.2
Notes:
If all Material Properties are removed from the list and then one property is re-added - item will be rendered in blank with a stuck selection highlighter
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